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18570500104 = 23132231993001
BaseRepresentation
bin10001010010111000…
…110101100000001000
31202221012200011001011
4101102320311200020
5301013022000404
612310422133304
71225123434502
oct212270654010
952835604034
1018570500104
11796a621652
123723281234
13199c49aa00
14c824d4d72
1573a4ea604
hex452e35808

18570500104 has 96 divisors (see below), whose sum is σ = 39554352000. Its totient is φ = 8154432000.

The previous prime is 18570500093. The next prime is 18570500119. The reversal of 18570500104 is 40100507581.

It is a super-2 number, since 2×185705001042 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6186604 + ... + 6189604.

It is an arithmetic number, because the mean of its divisors is an integer number (412024500).

Almost surely, 218570500104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18570500104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19777176000).

18570500104 is an abundant number, since it is smaller than the sum of its proper divisors (20983851896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18570500104 is a wasteful number, since it uses less digits than its factorization.

18570500104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The spelling of 18570500104 in words is "eighteen billion, five hundred seventy million, five hundred thousand, one hundred four".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 169 184 199 299 338 398 598 676 796 1196 1352 1592 2392 2587 3001 3887 4577 5174 6002 7774 9154 10348 12004 15548 18308 20696 24008 31096 33631 36616 39013 59501 67262 69023 78026 119002 134524 138046 156052 238004 269048 276092 312104 476008 507169 552184 597199 773513 897299 1014338 1194398 1547026 1794598 2028676 2388796 3094052 3589196 4057352 4777592 6188104 7178392 7763587 11664887 13735577 15527174 23329774 27471154 31054348 46659548 54942308 62108696 93319096 100926631 109884616 178562501 201853262 357125002 403706524 714250004 807413048 1428500008 2321312513 4642625026 9285250052 18570500104